<!doctype html>
<html>

	<head>
		<meta charset="utf-8">
		<title></title>
		<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" />
		<link href="one.css" rel="stylesheet" />
	</head>

	<body>
        <div class="one">
            <div class="two">
			<a><返回</a>
			<h1 class="o">登录</h1>
            </div>
            </div>
            <div class="three">
				<label>用户名</label>
				<input type="text" placeholder="请输入用户名">	
			<div class="three">
				<label>密码</label>
				<input type="password" placeholder="请输入密码">
			</div>
			<div class="nav">
				<button type="button" class="nav1">确认</button>
				<button type="button" class="nav2">取消</button>
			</div>
		</div>
        </div>
	</body>

</html>